diff options
Diffstat (limited to 'nixpkgs/pkgs/development/interpreters/python/cpython/2.7/default.nix')
| -rw-r--r-- | nixpkgs/pkgs/development/interpreters/python/cpython/2.7/default.nix | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/development/interpreters/python/cpython/2.7/default.nix b/nixpkgs/pkgs/development/interpreters/python/cpython/2.7/default.nix index 5ee88ebb8810..fd7e684113e7 100644 --- a/nixpkgs/pkgs/development/interpreters/python/cpython/2.7/default.nix +++ b/nixpkgs/pkgs/development/interpreters/python/cpython/2.7/default.nix @@ -26,10 +26,10 @@ , sourceVersion , sha256 , passthruFun -, static ? false +, static ? stdenv.hostPlatform.isStatic , stripBytecode ? reproducibleBuild , rebuildBytecode ? true -, reproducibleBuild ? true +, reproducibleBuild ? false , enableOptimizations ? false , pythonAttr ? "python${sourceVersion.major}${sourceVersion.minor}" }: @@ -48,6 +48,8 @@ assert lib.assertMsg (reproducibleBuild -> stripBytecode) assert lib.assertMsg (reproducibleBuild -> (!enableOptimizations)) "Deterministic builds are not achieved when optimizations are enabled."; +assert lib.assertMsg (reproducibleBuild -> (!rebuildBytecode)) + "Deterministic builds are not achieved when (default unoptimized) bytecode is created."; with lib; @@ -185,8 +187,9 @@ let configureFlags = optionals enableOptimizations [ "--enable-optimizations" - ] ++ [ + ] ++ optionals (!static) [ "--enable-shared" + ] ++ [ "--with-threads" "--enable-unicode=ucs${toString ucsEncoding}" ] ++ optionals (stdenv.hostPlatform.isCygwin || stdenv.hostPlatform.isAarch64) [ @@ -224,6 +227,7 @@ let ++ optional stdenv.hostPlatform.isLinux "ac_cv_func_lchmod=no" ++ optional static "LDFLAGS=-static"; + strictDeps = true; buildInputs = optional (stdenv ? cc && stdenv.cc.libc != null) stdenv.cc.libc ++ [ bzip2 openssl zlib ] @@ -296,8 +300,10 @@ in with passthru; stdenv.mkDerivation ({ # First we delete all old bytecode. find $out -name "*.pyc" -delete '' + optionalString rebuildBytecode '' - # Then, we build for the two optimization levels. - # We do not build unoptimized bytecode, because its not entirely deterministic yet. + # We build 3 levels of optimized bytecode. Note the default level, without optimizations, + # is not reproducible yet. https://bugs.python.org/issue29708 + # Not creating bytecode will result in a large performance loss however, so we do build it. + find $out -name "*.py" | ${pythonForBuildInterpreter} -m compileall -q -f -x "lib2to3" -i - find $out -name "*.py" | ${pythonForBuildInterpreter} -O -m compileall -q -f -x "lib2to3" -i - find $out -name "*.py" | ${pythonForBuildInterpreter} -OO -m compileall -q -f -x "lib2to3" -i - '' + optionalString stdenv.hostPlatform.isCygwin '' |